/Engine/Source/Editor/PropertyEditor/Public/PropertyHandle.h
Sets a unique value for each object this handle is editing
[FPropertyAccess::Result](API\Editor\PropertyEditor\FPropertyAccess__Result) SetPerObjectValues ( const [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & PerObjectValues, [EPropertyValueSetFlags::Type](API\Editor\PropertyEditor\Type) Flags )